PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| COHR | Xia Howard H. | Director | May 11 '26 | Sale | 354.50 | 2,000 | 709,000 | 50,298 | May 13 12:00 AM |
| COHR | Xia Howard H. | Director | May 11 '26 | Option Exercise | 21.67 | 4,000 | 86,680 | 52,298 | May 13 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 17 '26 | Sale | 241.65 | 3,240 | 782,943 | 50,298 | Mar 18 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 17 '26 | Option Exercise | 21.67 | 6,480 | 140,422 | 53,538 | Mar 18 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 16 '26 | Option Exercise | 21.67 | 2,000 | 43,340 | 51,298 | Mar 18 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 16 '26 | Sale | 258.00 | 1,000 | 258,000 | 50,298 | Mar 18 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 02 '25 | Option Exercise | 21.67 | 4,000 | 86,680 | 52,019 | Dec 03 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 02 '25 | Sale | 170.00 | 2,000 | 340,000 | 50,019 | Dec 03 12:00 AM |
| COHR | Xia Howard H. | Director | Nov 28 '25 | Option Exercise | 21.67 | 2,000 | 43,340 | 51,019 | Dec 01 12:00 AM |
| COHR | Xia Howard H. | Director | Nov 28 '25 | Sale | 158.36 | 1,000 | 158,360 | 50,019 | Dec 01 12:00 AM |
| COHR | Xia Howard H. | Director | Jun 16 '25 | Sale | 80.88 | 1,000 | 80,880 | 47,747 | Jun 16 12:00 AM |
| COHR | Xia Howard H. | Director | Jun 16 '25 | Option Exercise | 17.84 | 2,000 | 35,680 | 48,747 | Jun 16 12:00 AM |
| COHR | Xia Howard H. | Director | Jun 11 '25 | Option Exercise | 17.84 | 2,000 | 35,680 | 48,747 | Jun 13 12:00 AM |
| COHR | Xia Howard H. | Director | Jun 11 '25 | Sale | 83.00 | 1,000 | 83,000 | 47,747 | Jun 13 12:00 AM |
| COHR | Xia Howard H. | Director | May 21 '25 | Sale | 81.00 | 1,000 | 81,000 | 47,747 | May 23 12:00 AM |
| COHR | Xia Howard H. | Director | May 21 '25 | Option Exercise | 17.84 | 2,000 | 35,680 | 48,747 | May 23 12:00 AM |
| COHR | Xia Howard H. | Director | May 12 '25 | Sale | 77.42 | 2,000 | 154,840 | 47,747 | May 12 12:00 AM |
| COHR | Xia Howard H. | Director | May 12 '25 | Option Exercise | 17.84 | 4,000 | 71,360 | 49,747 | May 12 12:00 AM |
| COHR | Xia Howard H. | Director | May 09 '25 | Sale | 72.69 | 1,000 | 72,685 | 47,747 | May 12 12:00 AM |
| COHR | Xia Howard H. | Director | May 09 '25 | Option Exercise | 17.84 | 2,000 | 35,680 | 48,747 | May 12 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 04 '24 | Option Exercise | 17.84 | 4,000 | 71,360 | 49,747 | Dec 04 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 04 '24 | Sale | 110.72 | 2,000 | 221,450 | 47,747 | Dec 04 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 03 '24 | Option Exercise | 17.84 | 1,940 | 34,610 | 48,717 | Dec 04 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 03 '24 | Sale | 106.00 | 970 | 102,820 | 47,747 | Dec 04 12:00 AM |
| COHR | Xia Howard H. | Director | May 23 '24 | Option Exercise | 13.99 | 3,000 | 41,970 | 45,916 | May 23 12:00 AM |
| COHR | Xia Howard H. | Director | May 23 '24 | Sale | 60.91 | 2,000 | 121,830 | 44,916 | May 23 12:00 AM |
| COHR | Xia Howard H. | Director | May 16 '24 | Option Exercise | 13.99 | 2,000 | 27,980 | 45,916 | May 17 12:00 AM |
| COHR | Xia Howard H. | Director | May 16 '24 | Sale | 59.00 | 1,000 | 59,000 | 44,916 | May 17 12:00 AM |
| COHR | Xia Howard H. | Director | May 15 '24 | Sale | 58.00 | 1,000 | 58,000 | 44,916 | May 17 12:00 AM |
| COHR | Xia Howard H. | Director | May 15 '24 | Option Exercise | 13.99 | 1,000 | 13,990 | 3,000 | May 17 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 14 '23 | Option Exercise | 13.99 | 6,880 | 96,252 | 48,356 | Dec 14 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 14 '23 | Sale | 42.80 | 3,440 | 147,232 | 44,916 | Dec 14 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 06 '23 | Option Exercise | 13.99 | 8,000 | 111,920 | 48,916 | Dec 07 12:00 AM |
| COHR | Xia Howard H. | Director | Dec 06 '23 | Sale | 40.29 | 4,000 | 161,160 | 44,916 | Dec 07 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 01 '23 | Option Exercise | 19.37 | 4,540 | 87,940 | 41,871 | Mar 01 12:00 AM |
| COHR | Xia Howard H. | Director | Mar 01 '23 | Sale | 43.17 | 2,270 | 98,007 | 39,601 | Mar 01 12:00 AM |